Java is a high-level, class-based, object-oriented programming language.
Java, a powerful and versatile programming language, has been at the forefront of the tech industry since its inception in the mid-90s. As a highly popular language, Java is often the first choice for developers building scalable and maintainable applications. Whether you are a novice programmer or an experienced developer looking to learn a new … Read more
The error “module java.base does not ‘opens java.io’ to unnamed module” occurs when you are using Java Platform Module System (JPMS) and your code (or a third-party library) tries to access a non-public member of the java.io package from an unnamed module. This access is not allowed by default due to stronger encapsulation enforced by … Read more
The java.lang.IllegalAccessError with the message “class lombok.javac.apt.LombokProcessor cannot access class com.sun.tools.javac.processing.JavacProcessingEnvironment” occurs when the Lombok library cannot access the internal Java Compiler (javac) classes due to a change in the visibility of those classes in newer JDK versions. Starting from JDK 9, the Java Platform Module System (JPMS) was introduced, which enforces stronger encapsulation by … Read more
Error: Unable to extract uploader ID Follow these steps to resolve the issue: Update youtube-dl to the latest version: Open your terminal or command prompt and run the following command: If the issue persists, enable the –verbose flag to get detailed output: Run the following command, replacing with the video URL you’re trying to download: … Read more
The error “unsupported class file major version 60” occurs when you try to run a Java application that was compiled using a higher JDK (Java Development Kit) version than the JRE (Java Runtime Environment) version used to execute the application. In this case, the error indicates that the class file was compiled using JDK 16 … Read more
Java 8 introduced lambda expressions, which have become an essential feature for developers working with the language. Lambda expressions are a concise way of representing instances of functional interfaces, allowing you to write more readable and maintainable code. In this article, we will explore some tips and tricks for working with Java 8 lambda expressions, … Read more
Introduction When it comes to serverless architechture, AWS Lambda is a real game changer. This article will walk you through the process of migrating a Java application from Tomcat to AWS Lambda. We will cover every aspect of the migration process, from the very basic setup to the more advanced customization. By the end of … Read more
We recently upgraded from Java 8 to openjdk16. And our webservice clients failed with below error. Failed to execute goal org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport (MyWebServiceClient) on project com.myproject: Execution MyWebServiceClient of goal org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport failed: start 0, end -1, length 0 -> [Help 1] And the fix was to change the plugin for ws-import. Before we had <groupId>org.jvnet.jax-ws-commons</groupId><artifactId>jaxws-maven-plugin</artifactId><version>2.3</version> And … Read more
While upgrading from hibernate 3 to hibernate 5, this was one of the issues. Here is how id fields were defined in hibernate 3. @[email protected](strategy=GenerationType.AUTO, generator=”my_seq_gen”)@SequenceGenerator(name=”my_seq_gen”, sequenceName=”MY_SEQ”)private long id; So now, I added allocationSize = 1 to resolve the issue @[email protected](strategy=GenerationType.AUTO, generator=”my_seq_gen”)@SequenceGenerator(name=”my_seq_gen”, sequenceName=”MY_SEQ”, allocationSize = 1)private long id; And for new Ids I used the … Read more
